body {
    margin: 20px 50px 0 50px;
}

.ipt {
    width: 650px;
    height: 42px;
}

button{
    height: 46px;
}

li {
    overflow: hidden;
    width: 50%;
    height: 30px;
    line-height: 30px;
    padding: 5px;
    border: 1px solid #dedede;
}